7164243261 has 32 divisors (see below), whose sum is σ = 12183444480. Its totient is φ = 4075794288.

The previous prime is 7164243239. The next prime is 7164243269. The reversal of 7164243261 is 1623424617.

7164243261 is a `hidden beast` number, since 7 + 1 + 642 + 4 + 3 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 7164243261 - 2⁹ = 7164242749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7164243269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40591 + ... + 126396.

It is an arithmetic number, because the mean of its divisors is an integer number (380732640).

Almost surely, 2^7164243261 is an apocalyptic number.

It is an amenable number.

7164243261 is a deficient number, since it is larger than the sum of its proper divisors (5019201219).

7164243261 is a wasteful number, since it uses less digits than its factorization.

7164243261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167230 (or 167224 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 7164243261 is about 84641.8528920533. The cubic root of 7164243261 is about 1927.7769118730.

Adding to 7164243261 its reverse (1623424617), we get a palindrome (8787667878).

The spelling of 7164243261 in words is "seven billion, one hundred sixty-four million, two hundred forty-three thousand, two hundred sixty-one".